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Subject: Re: [OMPI users] Running OpenMPI on SGI Altix with 4096 cores : very poor performance
From: David Singleton (David.Singleton_at_[hidden])
Date: 2010-12-22 14:18:08


Is the same level of processes and memory affinity or binding being used?

On 12/21/2010 07:45 AM, Gilbert Grosdidier wrote:
> Yes, there is definitely only 1 process per core with both MPI implementations.
>
> Thanks, G.
>
>
> Le 20/12/2010 20:39, George Bosilca a écrit :
>> Are your processes places the same way with the two MPI implementations? Per-node vs. per-core ?
>>
>> george.
>>